package com.clpsystem.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.hibernate.SessionFactory;

import com.clpsystem.vendas.hibernateUtil;

public class conexaoHibernateFilter implements Filter {

	private SessionFactory sf;
	
	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void doFilter(ServletRequest servfilter, ServletResponse servresp,
			FilterChain cha) throws IOException, ServletException {
		
	try{	this.sf.getCurrentSession().beginTransaction();
		cha.doFilter(servfilter, servresp);
		this.sf.getCurrentSession().getTransaction().commit();
		this.sf.getCurrentSession().close();} catch (Throwable ex1) {
			
				try{ if(this.sf.getCurrentSession().getTransaction().isActive()){
					this.sf.getCurrentSession().getTransaction().rollback();
					
				}
					
					
				} catch (Throwable ex2){
					
					ex2.printStackTrace();
				} throw new ServletException();
				
			
		}
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
				
		this.sf=hibernateUtil.getSession();
		
	}

}
